Window screen



J. IMBRUGLIA `luly 9, 1929.

WINDOW SCREEN Filed July 17, 1926 ATTORNEY Patented July 9, 1929.

lTENT OFFICE.`

.TACOBY IMBRUGLiA, or ALAMEDA, CALIFORNIA.

WINDOW' Application inea vhay 17,

My invention relates to a window screen, and particularly to a combined draft and Afly screen of adjustable length arranged to be removably installed in windows equipped with lift sashes. i

An object of the invention is to provide a screen of thet-ypc described which, when mounted in a window frame, prevent-s the horizontal passage of a draft of air into a room and at the saine time provides the necessary ventilation for` the room.`

Another object of the inventionfis to provide a screen of the type described havingl its parts imitarily associated, and so arranged as to be foldable to occupy `a minimum of `space when not in use. i

rlhe invention possesses other objects and 'features of advantage, some of which, with the foregoing, will be setfforth in the `followingrdescription of the preferred form of my invention which is illustrated in the drawings accompanying` and forming part of the specification. y 1t is to` be understood `that I do not limit myself to the showing made by theisaid drawings and description, as 1 may adopt variations of thepreferred form within the scope of my invention as set forth in the claims.

` Referring;` to said drawings,

Figure 1 is a perspective view sh owing the screen of my invention operatively mounted i inV a window.

`liigure 2 is a plan view of the screen mounted in a window.

Figure is a perspective view showing the screen folded.

As herewith particularly illustrated, the screen 41 of my invention is mounted in a window frame 6 between the side stops i', the sill 8, and a sash 9 movable ver ically ,in a guiiileway 11 cli-dined between outer stops 12 'and the stops of the frame. `llhen it is set up, the .screen presents an outline which is generally that of a triangular prism with one longitudinal side horizontally disposed, another side obliqnely disposed, and the third side vertically disposedin the plane of movement of the sash 9. Furtherniore, to provide for its use in windows of various widths, the screen is preferably formed with sections 123 and 14; engaged for telescopic engagement longitudinally of each other.

As here shown, the horizontal sides .16 and 17 of the sections 13 and 141i, respectively, comprise frames 1S and 19 in which are mounted perforated panels 21 and 22, the lat- SCREEN.

1926. Serial No. 123,178.

`ter beiinbihere shown formed of wire screen, `preferably of such mesh as to prevent the passage of flies and the like therethrough. The oblique sides 23 and 24; of the sections 18 and 1/1 respectively` are preferably imperforate and respectively carry the frames 18 and 19 liiiigedly connected thereto at their top edges, it now being noted that the frame 1@ engages telcscopically in guideways provided on the side edges of frame 19, and is airanged for movement above the plane of the latter, while the side portion 23 lies inwardly of the side portion 24e and engages telescopically in guidewaysprovided at the top and bottoni edges oit the latter.

Preferably hingedly secured to the opposite ends of sides 23 and 24 are triangular and preferably imperforate members 2G and 27 which are arranged, `when appropriately swung to extend outwardlyof the sides 23 and 241:, to provide end walls for the screen, the top edges thereof being arranged to underlie and provide a support for the ends of the frames 1.8 and 19 respectively. The end walls 26 and 27, it will now be noted, are here shown provided with outwardly extending flanges 28 arranged to engage against and along the pair of window stops 7 delininf)l the inner side of the sash guideway 11, and are ,preferably provided at their upper edges with inwardly extending` flanges 29 underlying the top frame ends 31. The liano-es 29 and ends 31 are correspondiugly perforated to receive lastening` pins 92, the atter being` here shown as screw headed bolts arranged for threaded engapgeii'ient in the perforations of the iianpges 29' so that the section ends may be releasably secured to the top ends 31 to rigidly hold the sections in fixed relation.

1t will now be noted that with the sections tolescopically engaged and so positioned as to allow the insertion of the vertical. stop engaging flanges 2S in the plane of movement of the sash, the sections may then be spread apart to bring' their end walls against the opposed surfaces of the stops 7. 1With the lower edge 33 of the oblique wall seated on the sill 8, the sash 9 may then bc moved downwardly to register with the top of the screen structure, it being; noted that the outer edges Self and 3G of the top frames 18 and 19 are preferably arranged to extend only to the plane of in oveinent of the sash, so that the sash ni ay be raised or lowered while the screen is operatively disposed at the wind ow.

Abelow the sash. l Furthermore, it will be noted that the device may be mounted to extend outwardly of the room, the flanges 28 being engaged against the stops l2. However, in

`rainy weather, the'inward positioning of the screen will benecessary,it being noted that any rain blown inwardly below the open sash will be caught on the oblique side portions 23 and 24 and so b e directed downwardly and outwardly of the window.

Means are preferably provided for urging the section ends to maintain their position against the window stops. Ashere shown,

Y such means comprises one or more tension springs 37 fixed to and betweenthe inner eX- tremities of the sections so that the latter are urgedy to maintainv an outward telescopic relation.

It will now be noted that the screen may be folded 4up by removing the pins 82, folding the ends 26 and 27 against the outer surfaces of the sides 23 and 24 to which they are respectively attached, and folding the frames 18 and 19 against the opposite surfaces of the same sides. If desired, the springs 37 'may also be released at one end to permit the inward telescoping of the section. In this manner the screen is foldable into a flat pack- :age lfor ready transportation or storage.

It-will, of course, be obvious that the device herein described may be used solely for ven- 'tilating purposes, in which event the perforated panels in the frames 18 and 19 might be dispensed with.

I claim:

l. A window screen arranged to be disposed in a window opening providing a guideway for a displaceable sash and comprising an imperforate longitudinal wall, end walls pivotally secured to said first wall, a perforate longitudinal wall pivofally secured to an edge of said first wall. means releasably connecting said end walls and perforate wall whereby a fixed relation of said walls will be maintained, means carried by said screen and engageable in said guideway for securing the screen in operative position in said window opening, and means carried by said screen resiliently maintaining said last means operatively disposed.

-2. A window screen arranged to be disposed in a window opening providing opposed guideways fora displaceable sash, comprising a. pair of telescopically engaged sections, each of said sections comprising an ohliquely disposed imperforate wall, a vertically disposed end wall hinged to the first wall at the outer end thereof, and a horizontally disposed perforate wall hinged to the first wall at the top edge thereof and arranged to overlie and be fixedly secured to the top edge of the end wall, means carried by each section engagea-ble in a different one of said guideways for securing the screen in operative position in the window opening, and means cooperating between said sections to resiliently urge them apart and info operative engagement with said guideways.

In testimony whereof, I have hereunto set my hand at Oakland, California, this 29th day of June, 1926.

` JACOBY IMBRUGLIA. 

